<div class="dropdown text-right">
    <div class="glyphicon glyphicon-align-justify" data-toggle="dropdown"></div>
    <ul class="dropdown-menu dropdown-menu-right">
        <li><a href="/main">主页</a></li>
        <li><a href="/note/create/<%= user %>">发表帖子</a></li>
        <li><a href="/note/<%=  user  %>/">个人帖子</a></li>
        <li class="divider"></li>
        <li><a href="/signout">登出</a></li>
    </ul>
</div>